Li Bo-yu
2003
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Journal
Chemical Reagents
Abstract
The intermediate 4-[N-( pyridinyl-3-methoxy-carbonyl) aminomethyl] benzoic acid was prepared from 3-hydroxymethylpyridine by using CDI method , then it was converted to the active acid anhydride by treatment with ethyl chloroformate and triethylamine, which without further separation was treated with o-phenylenedia-mine to give the title compound.